Block for constructing miniature structures



FIG. 1 is a perspective view of a block for constructing miniature structures showing my new design;

FIG. 2 is a right side elevational view, the left side being a mirror image thereof;

FIG. 3 is an end elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a block for constructing miniature structures, as shown and described. 